Whenever this creature attacks, if you control no untapped lands, it gets +3/+0 until end of turn.
They fight beyond thought, beyond fear, and beyond mercy.
Illustrated by Paolo Parente · Prophecy · #93
There are no rulings for Keldon Berserker.
Whenever this creature attacks, creatures you control get +1/+0 until end of turn.
Whenever this creature attacks, Human creatures you control get +1/+0 until end of turn.
Whenever this creature attacks, it gets +1/+0 until end of turn for each Elemental you control.
Whenever you attack, target creature you control gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)
Whenever a creature you control attacks, it gets +2/+2 until end of turn.
Whenever this creature attacks, you may tap an untapped non-Human creature you control. If you do, this creature gets +1/+1 and gains trample until end of turn.